[911] | 1 | MODULE bdytra |
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[1125] | 2 | !!====================================================================== |
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[911] | 3 | !! *** MODULE bdytra *** |
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[3294] | 4 | !! Ocean tracers: Apply boundary conditions for tracers |
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[1125] | 5 | !!====================================================================== |
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| 6 | !! History : 1.0 ! 2005-01 (J. Chanut, A. Sellar) Original code |
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| 7 | !! 3.0 ! 2008-04 (NEMO team) add in the reference version |
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[3294] | 8 | !! 3.4 ! 2011 (D. Storkey) rewrite in preparation for OBC-BDY merge |
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[3680] | 9 | !! 3.5 ! 2012 (S. Mocavero, I. Epicoco) Optimization of BDY communications |
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[7646] | 10 | !! 4.0 ! 2016 (T. Lovato) Generalize OBC structure |
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[1125] | 11 | !!---------------------------------------------------------------------- |
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[7646] | 12 | !! bdy_tra : Apply open boundary conditions & damping to T and S |
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[1125] | 13 | !!---------------------------------------------------------------------- |
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[6140] | 14 | USE oce ! ocean dynamics and tracers variables |
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| 15 | USE dom_oce ! ocean space and time domain variables |
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| 16 | USE bdy_oce ! ocean open boundary conditions |
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| 17 | USE bdylib ! for orlanski library routines |
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| 18 | ! |
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| 19 | USE in_out_manager ! I/O manager |
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| 20 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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[10529] | 21 | USE lib_mpp, ONLY: ctl_stop |
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[6140] | 22 | USE timing ! Timing |
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[911] | 23 | |
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| 24 | IMPLICIT NONE |
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| 25 | PRIVATE |
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| 26 | |
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[7646] | 27 | ! Local structure to rearrange tracers data |
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| 28 | TYPE, PUBLIC :: ztrabdy |
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| 29 | REAL(wp), POINTER, DIMENSION(:,:) :: tra |
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| 30 | END TYPE |
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| 31 | |
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[6140] | 32 | PUBLIC bdy_tra ! called in tranxt.F90 |
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| 33 | PUBLIC bdy_tra_dmp ! called in step.F90 |
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[911] | 34 | |
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[1125] | 35 | !!---------------------------------------------------------------------- |
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[9598] | 36 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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[1146] | 37 | !! $Id$ |
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[10068] | 38 | !! Software governed by the CeCILL license (see ./LICENSE) |
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[1125] | 39 | !!---------------------------------------------------------------------- |
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[911] | 40 | CONTAINS |
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| 41 | |
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[3294] | 42 | SUBROUTINE bdy_tra( kt ) |
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[1125] | 43 | !!---------------------------------------------------------------------- |
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[3294] | 44 | !! *** SUBROUTINE bdy_tra *** |
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| 45 | !! |
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| 46 | !! ** Purpose : - Apply open boundary conditions for temperature and salinity |
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| 47 | !! |
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| 48 | !!---------------------------------------------------------------------- |
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[6140] | 49 | INTEGER, INTENT(in) :: kt ! Main time step counter |
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| 50 | ! |
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[7646] | 51 | INTEGER :: ib_bdy, jn, igrd ! Loop indeces |
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| 52 | TYPE(ztrabdy), DIMENSION(jpts) :: zdta ! Temporary data structure |
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[11067] | 53 | LOGICAL, DIMENSION(4) :: lsend1, lrecv1 ! indicate how communications are to be carried out |
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[6140] | 54 | !!---------------------------------------------------------------------- |
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[7646] | 55 | igrd = 1 |
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[3294] | 56 | |
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| 57 | DO ib_bdy=1, nb_bdy |
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[6140] | 58 | ! |
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[7646] | 59 | zdta(1)%tra => dta_bdy(ib_bdy)%tem |
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| 60 | zdta(2)%tra => dta_bdy(ib_bdy)%sal |
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| 61 | ! |
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| 62 | DO jn = 1, jpts |
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| 63 | ! |
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| 64 | SELECT CASE( TRIM(cn_tra(ib_bdy)) ) |
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| 65 | CASE('none' ) ; CYCLE |
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| 66 | CASE('frs' ) ; CALL bdy_frs ( idx_bdy(ib_bdy), tsa(:,:,:,jn), zdta(jn)%tra ) |
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| 67 | CASE('specified' ) ; CALL bdy_spe ( idx_bdy(ib_bdy), tsa(:,:,:,jn), zdta(jn)%tra ) |
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[11024] | 68 | CASE('neumann' ) ; CALL bdy_nmn ( idx_bdy(ib_bdy), igrd , tsa(:,:,:,jn) ) ! tsa masked |
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[7646] | 69 | CASE('orlanski' ) ; CALL bdy_orl ( idx_bdy(ib_bdy), tsb(:,:,:,jn), tsa(:,:,:,jn), zdta(jn)%tra, ll_npo=.false. ) |
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| 70 | CASE('orlanski_npo') ; CALL bdy_orl ( idx_bdy(ib_bdy), tsb(:,:,:,jn), tsa(:,:,:,jn), zdta(jn)%tra, ll_npo=.true. ) |
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| 71 | CASE('runoff' ) ; CALL bdy_rnf ( idx_bdy(ib_bdy), tsa(:,:,:,jn), jn ) |
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| 72 | CASE DEFAULT ; CALL ctl_stop( 'bdy_tra : unrecognised option for open boundaries for T and S' ) |
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| 73 | END SELECT |
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| 74 | ! |
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| 75 | END DO |
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[6140] | 76 | END DO |
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[3651] | 77 | ! |
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[11067] | 78 | lsend1(:) = .false. |
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| 79 | lrecv1(:) = .false. |
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| 80 | DO ib_bdy=1, nb_bdy |
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| 81 | SELECT CASE( TRIM(cn_tra(ib_bdy)) ) |
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| 82 | CASE('neumann') |
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| 83 | lsend1(:) = lsend1(:) .OR. lsend_bdy(ib_bdy,1,:) ! to every bdy neighbour, T points |
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| 84 | lrecv1(:) = lrecv1(:) .OR. lrecv_bdy(ib_bdy,1,:) ! from every bdy neighbour, T points |
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| 85 | CASE('orlanski') |
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| 86 | lsend1(:) = lsend1(:) .OR. lsend_bdy(ib_bdy,1,:) ! to every bdy neighbour, T points |
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| 87 | lrecv1(:) = lrecv1(:) .OR. lrecv_bdy(ib_bdy,1,:) ! from every bdy neighbour, T points |
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| 88 | CASE('orlanski_npo') |
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| 89 | lsend1(:) = lsend1(:) .OR. lsend_bdy(ib_bdy,1,:) ! to every bdy neighbour, T points |
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| 90 | lrecv1(:) = lrecv1(:) .OR. lrecv_bdy(ib_bdy,1,:) ! from every bdy neighbour, T points |
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| 91 | CASE('runoff') |
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| 92 | lsend1(:) = lsend1(:) .OR. lsend_bdy(ib_bdy,1,:) ! to every bdy neighbour, T points |
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| 93 | lrecv1(:) = lrecv1(:) .OR. lrecv_bdy(ib_bdy,1,:) ! from every bdy neighbour, T points |
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| 94 | END SELECT |
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| 95 | END DO |
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| 96 | IF( ANY(lsend1) .OR. ANY(lrecv1) ) THEN ! if need to send/recv in at least one direction |
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| 97 | CALL lbc_bdy_lnk( 'bdytra', lsend1, lrecv1, tsa, 'T', 1. ) |
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| 98 | END IF |
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| 99 | ! |
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[3294] | 100 | END SUBROUTINE bdy_tra |
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| 101 | |
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[9124] | 102 | |
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[7646] | 103 | SUBROUTINE bdy_rnf( idx, pta, jpa ) |
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[3294] | 104 | !!---------------------------------------------------------------------- |
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[7646] | 105 | !! *** SUBROUTINE bdy_rnf *** |
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[911] | 106 | !! |
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[7646] | 107 | !! ** Purpose : Specialized routine to apply TRA runoff values at OBs: |
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| 108 | !! - duplicate the neighbour value for the temperature |
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[3651] | 109 | !! - specified to 0.1 PSU for the salinity |
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| 110 | !! |
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| 111 | !!---------------------------------------------------------------------- |
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[7646] | 112 | TYPE(OBC_INDEX), INTENT(in) :: idx ! OBC indices |
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| 113 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(inout) :: pta ! tracer trend |
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| 114 | INTEGER, INTENT(in) :: jpa ! TRA index |
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[6140] | 115 | ! |
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[11048] | 116 | INTEGER :: ib, ii, ij, igrd ! dummy loop indices |
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| 117 | INTEGER :: ik, ip, jp ! 2D addresses |
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[3651] | 118 | !!---------------------------------------------------------------------- |
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| 119 | ! |
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| 120 | igrd = 1 ! Everything is at T-points here |
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[11048] | 121 | IF( jpa == jp_tem ) THEN |
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| 122 | CALL bdy_nmn( idx, igrd, pta ) |
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| 123 | ELSE IF( jpa == jp_sal ) THEN |
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| 124 | DO ib = 1, idx%nblenrim(igrd) |
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| 125 | ii = idx%nbi(ib,igrd) |
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| 126 | ij = idx%nbj(ib,igrd) |
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| 127 | pta(ii,ij,1:jpkm1) = 0.1 * tmask(ii,ij,1:jpkm1) |
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[3651] | 128 | END DO |
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[11048] | 129 | END IF |
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[3651] | 130 | ! |
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[7646] | 131 | END SUBROUTINE bdy_rnf |
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[3651] | 132 | |
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[9124] | 133 | |
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[3651] | 134 | SUBROUTINE bdy_tra_dmp( kt ) |
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| 135 | !!---------------------------------------------------------------------- |
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| 136 | !! *** SUBROUTINE bdy_tra_dmp *** |
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| 137 | !! |
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| 138 | !! ** Purpose : Apply damping for tracers at open boundaries. |
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| 139 | !! |
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| 140 | !!---------------------------------------------------------------------- |
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[6140] | 141 | INTEGER, INTENT(in) :: kt ! |
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| 142 | ! |
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[3651] | 143 | REAL(wp) :: zwgt ! boundary weight |
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| 144 | REAL(wp) :: zta, zsa, ztime |
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| 145 | INTEGER :: ib, ik, igrd ! dummy loop indices |
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| 146 | INTEGER :: ii, ij ! 2D addresses |
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| 147 | INTEGER :: ib_bdy ! Loop index |
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| 148 | !!---------------------------------------------------------------------- |
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| 149 | ! |
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[9124] | 150 | IF( ln_timing ) CALL timing_start('bdy_tra_dmp') |
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[3651] | 151 | ! |
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[6140] | 152 | DO ib_bdy = 1, nb_bdy |
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| 153 | IF( ln_tra_dmp(ib_bdy) ) THEN |
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[3651] | 154 | igrd = 1 ! Everything is at T-points here |
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| 155 | DO ib = 1, idx_bdy(ib_bdy)%nblen(igrd) |
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| 156 | ii = idx_bdy(ib_bdy)%nbi(ib,igrd) |
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| 157 | ij = idx_bdy(ib_bdy)%nbj(ib,igrd) |
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| 158 | zwgt = idx_bdy(ib_bdy)%nbd(ib,igrd) |
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| 159 | DO ik = 1, jpkm1 |
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| 160 | zta = zwgt * ( dta_bdy(ib_bdy)%tem(ib,ik) - tsb(ii,ij,ik,jp_tem) ) * tmask(ii,ij,ik) |
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| 161 | zsa = zwgt * ( dta_bdy(ib_bdy)%sal(ib,ik) - tsb(ii,ij,ik,jp_sal) ) * tmask(ii,ij,ik) |
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| 162 | tsa(ii,ij,ik,jp_tem) = tsa(ii,ij,ik,jp_tem) + zta |
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| 163 | tsa(ii,ij,ik,jp_sal) = tsa(ii,ij,ik,jp_sal) + zsa |
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| 164 | END DO |
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| 165 | END DO |
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| 166 | ENDIF |
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[6140] | 167 | END DO |
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[3651] | 168 | ! |
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[9124] | 169 | IF( ln_timing ) CALL timing_stop('bdy_tra_dmp') |
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[3651] | 170 | ! |
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| 171 | END SUBROUTINE bdy_tra_dmp |
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| 172 | |
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[1125] | 173 | !!====================================================================== |
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[911] | 174 | END MODULE bdytra |
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